chore(deps): update dependency slack to v6.1.3 (#246)

Co-authored-by: Renovate Bot <renovate@talkiq-ops>

Author: talkiq-ops

notifier/orb.yaml

@@ -2,7 +2,7 @@ version: 2.1
 description: "Tools for notifying external services about CI events"
 
 orbs:
-  slack: circleci/slack@6.1.2
+  slack: circleci/slack@6.1.3
 
 executors:
   alpine-latest: